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Home My WebLink About20220041 Ver 1_Updated Impact Map_20220121WGLA ENGINEERING, PLLC 724 5th AVENUE HENDERSONVILLE, NC 28739 (828) 687-7177 WGLA.COM NC LICENSE P-1342 B & F Ceramics Town of Mills River Henderson County North Carolina Stream and Wetland Impacts Figure 3.0 Job #: 22105 Date: 1/19/22 Scale: 1" = 2000' PROPOSED PERMANENT WETLAND IMPACT#1 (FIGURE 5.1) PROPOSED PERMANENT ' STREAM IMPACT#I (FIGURE 5.1) — • EXISTING 2' CONTOUR (TYP.) PROPOSED 10' CONTOUR (TYP.) ... EXISTING NON -JURISDICTIONAL \ a a "\\ \` PROJECT BOUNDARY WATERS WETLAND #2 PER �lm —^^. �� A� �� THE ARMY CORPS APPROVED JURISDICTIONAL DETERMINATION, N SAW-2021-0 1627 ��o DATED NOVEMBER 3,2021 PROPOSED STORM DRAINAGE (TYP.) EXISTING STORM DRAINAGE (TYP.) (TO BE REMOVED) af i F 2180 ---- •14 .......... 2110--- Wig. TIE IN LOCATION TO MUNICIPAL WATER SUPPLY IMPACT SUMMARY TABLE PERMANENT STREAM IMPACT 24LF (247.78 S.FF..)) (0.011± AC) PERMANENT WETLAND IMPACT 10,614.39 S.F. (0.244± AC) WGLA Engineering SSA SSA PROPOSED SANITARY SEWER MAIN (TYP.) Preliminary WGLA ENGINEERING, PLLC 724 5th AVENUE HENDERSONVILLE, NC 28739 (828) 687-7177 WGLA.COM NC LICENSE P-1342 B & F Ceramics Town of Mills River Henderson County North Carolina Stream and Wetland Impacts Figure 5.0 Job #: 22105 Date: 1/19/22 Scale: 1' = 150' PROPOSED PERMANENT WETLAND IMPACT#1 (10,614.39± SF) (0.244± AC.) EXISTING NON -JURISDICTIONAL WATERS WETLAND #2 PER THE ARMY CORPS APPROVED JURISDICTIONAL DETERMINATION, SAW-2021-01627 DATED NOVEMBER 3,2021 WGLA Engineering X 1 -5°° °: NO:♦ EXISTING STORM DRAINAGE (TYP.) (TO BE REMOVED) a 2160 - PROPOSED PERMANENT STREAM IMPACT#I (247.72± LF) (247.78± AC.) (0.01 I ± AC.) Preliminary WGLA ENGINEERING, PLLC 724 5th AVENUE HENDERSONVILLE, NC 28739 (828) 687-7177 WGLA.COM NC LICENSE P-1342 B & F Ceramics Town of Mills River Henderson County North Carolina Stream and Wetland Impacts Figure 5.1 Job #: 22105 Date: 1/19/22 Scale: 1" = 80' PROPOSED FILL (TYP.) EXISTING WETLAND (TYP.) WGLA Engineering EXISTING STREAM (TYP.) 1 1/ PROPOSED GRADE (TYP.) EXISTING GRADE (TYP.) Preliminary WGLA ENGINEERING, PLLC 724 5th AVENUE HENDERSONVILLE, NC 28739 (828) 687-7177 WGLA.COM NC LICENSE P-1342 B & F Ceramics Town of Mills River Henderson County North Carolina Stream and Wetland Impacts Figure 5.2 Job #: 22105 Date: 1/19/22 Scale: N/A IMPERVIOUS DIKE (SEE INSET "B") INTAKE PIPING PUMP I O'X5' STABILIZED OUTLET USING CLASS B RIP RAP & NCDOT TYPE 2 FILTER FABRIC DISCHARGE PIPING ACTIVE WORK AREA OF CULVERT INSTALLATION OR UTILITY CROSSING SAND BAG (24"X 12"X6") II OR STONE IMPERVIOUS SHEETING li llli llli llli illli illli illli illli illli illli illli illli illli illli illli illli illli illli illli illli illli illli illli illli illli illli illli illli illli illli illli illli illli illli illli iIIII _� a=� a=� a=� � �_� � �_� � �_� � �_� � �_� � �_� � �_� � �_� � �_� � �_� � �_� � �_� � �_� � �_� � �_� � �_� � �_� � �_� � �_� � �_� � �_� � �_� � �_� � �_� � �_� � �_� � �_� � �_� � �_� � �_� � �_� � �_ INSET "B" IMPERVIOUS DIKE STABILIZED OUTLET USING CLASS B RIPRAP TRENCHED INTO EXISTING GROUND A MINIMUM OF 6". SIZE AND LOCATION TO BE DETERMINED IN THE FIELD BY THE ENGINEER =IIFIIF I I Fl IFIF. IFI IEI IEI IEI IEI IEI IEI IEI IEI IEI IEI I� =I I FI I FI I FI I FI I FI I FI I FI I FI I FI I FI . SCALE: NTS 0' MIN FLEXIBLE DISCHARGE HOSE FROM PUMP AROUND PUMP HELD IN PLACE WITH SAND BAGS AS NEEDED FFI IFI IFI IFI IFI IFI IF FIRIRIRIRIRIRII IFIFIFIFIFIFIF EIIEIIEIIEIIEIIEIIEIIEIIEIIEIIEIIVFV FIR IR IR IR IR IR IF-1II FIFIIFIFIFIFIFIFIFIFIFIFIFIFIFIFIIFI IF FILTER FABRIC PUMP AROUND SYSTEM SCALE: NTS GENERAL PUMPING SEQUENCE: I. USE PUMP TO PUMP FLOW AROUND DURING CONSTRUCTION. 2. SET UP ROCK SILT CHECK DAM AT DOWNSTREAM END OF THE CHANNEL AT THE END OF EACH DAY (SANDBAGS ARE AN ACCEPTABLE ALTERNATIVE.) 3. BELOW THE CHECK DAM, WATER WILL FLOW INTO THE EXISTING PIPE. MAKE SURE NO LOOSE SOIL IS PRESENT AROUND THE PIPE INLET. USE SOD MATS, COIR MATTING OR STONE TO STABILIZE ANY BARE GROUND. 4. AT THE BEGINNING OF THE NEXT DAY, RESHAPE AS NECESSARY AND USE THE CHECK DAM AS THE IMPERVIOUS DIKE FOR THE PUMP AROUND OPERATION - INSTALL IMPERVIOUS SHEETING AS SHOWN WGLA Engineering IMPERVIOUS DIKE (SEE INSET "B") NOTES: I. IF PUMPING CLEAN WATER, NO DEWATERING BAG IS REQUIRED. 2. STREAM HAS SMALL BASE FLOW. A SUITABLE OUTLET LOCATION IN THE WOODS MAY BE IDENTIFIED AT THE DISCHARGE LOCATION SO THAT NATURAL FILTRATION CAPACITY OF FOREST FLOOR AND TO AVOID UNNECESSARY DISTURBANCE FOR STONE DEWATERING PAD OR STONE OUTLET. Preliminary WGLA ENGINEERING, PLLC 724 5th AVENUE HENDERSONVILLE, NC 28739 (828) 687-7177 WGLA.COM NC LICENSE P-1342 B & F Ceramics Town of Mills River Henderson County North Carolina Stream and Wetland Impact Detail Figure 5.3 Job #: 22105 Date: 1/19/22 Scale: N/A